* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: white;
    min-height: 100vh;
}

.app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* КОНТЕНТ НАСТРОЕК */
.settings-content {
    flex: 1;
    max-width: 600px;
    margin: 0 auto;
    padding: 30px 20px 20px;
    width: 100%;
}

.settings-title {
    font-size: 32px;
    margin-bottom: 30px;
    text-align: center;
    color: #4CAF50;
    text-shadow: 0 4px 15px rgba(76,175,80,0.3);
}

/* БЛОК НАСТРОЕК */
.settings-block {
    margin-bottom: 20px;
    position: relative;
}

.settings-selector {
    width: 100%;
    background: linear-gradient(145deg, #3a3a3a, #2a2a2a);
    border: 2px solid #4CAF50;
    border-radius: 16px;
    padding: 20px 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: white;
    font-size: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.settings-selector:hover {
    background: linear-gradient(145deg, #404040, #303030);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(76,175,80,0.2);
}

/* Подсветка ошибок */
.settings-block.error .settings-selector {
    border-color: #f44336;
    background: linear-gradient(145deg, #4a2a2a, #3a1a1a);
    animation: shake 0.3s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Можно добавить текст ошибки прямо на кнопку */
.settings-block.error .settings-selector span:first-child::after {
    content: "    ❌ВЫБЕРИТЕ!❌";
    color: #f44336;
    font-size: 20px;
    margin-left: 10px;
}

.arrow {
    color: #4CAF50;
    font-size: 16px;
    transition: transform 0.3s;
}

.settings-selector.active .arrow {
    transform: rotate(180deg);
}

/* ВЫПАДАЮЩЕЕ МЕНЮ */
.dropdown-menu {
    display: none;
    background: #2d2d2d;
    border: 2px solid #4CAF50;
    border-radius: 16px;
    margin-top: 10px;
    padding: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    max-height: 300px;
    overflow-y: auto;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    border-bottom: 1px solid #444;
    color: white;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.2s;
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background: #3a3a3a;
    border-radius: 8px;
}

.dropdown-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 15px;
    cursor: pointer;
    accent-color: #4CAF50;
}

/* СПЕЦИАЛЬНО ДЛЯ ГЛАГОЛОВ */
.select-all {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #4CAF50;
    font-weight: 600;
    cursor: pointer;
}

.select-all input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: #4CAF50;
}

.verb-item {
    display: flex;
    align-items: center;
    padding: 10px 8px;
    /*border-bottom: 1px solid #333;*/
    transition: background 0.2s;
}

.verb-item:hover {
    background: rgba(76, 175, 80, 0.1);
}

.verb-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin-right: 10px;
    cursor: pointer;
    accent-color: #4CAF50;
    flex-shrink: 0;
}

.verb-item label {
    color: white;
    font-size: 14px;
    cursor: pointer;
    flex: 1;
}

/* Заголовок с буквой */
.letter-header {
    padding: 8px 12px;
    background: rgba(76, 175, 80, 0.2);
    color: #4CAF50;
    font-weight: bold;
    font-size: 16px;
    position: sticky;
    top: 0;
    z-index: 2;
    border-radius: 8px;
}

/* Алфавитный указатель */
.alphabet-index {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 2px;
    padding: 4px 2px;
    position: sticky;
    top: 0;
    max-height: 500px;
    overflow-y: auto;
}

.alphabet-letter {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4CAF50;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.2s;
}

.alphabet-letter:hover {
    background: rgba(76, 175, 80, 0.3);
}

.alphabet-letter.disabled {
    color: #555;
    cursor: default;
    pointer-events: none;
}

.loading {
    text-align: center;
    padding: 20px;
    color: #888;
}

/* КНОПКА СОХРАНЕНИЯ */
.save-btn {
    width: 100%;
    background: linear-gradient(45deg, #4CAF50, #45a049);
    border: none;
    border-radius: 16px;
    padding: 20px;
    color: white;
    font-size: 22px;
    font-weight: 700;
    cursor: pointer;
    margin: 30px 0 20px;
    transition: all 0.2s;
    box-shadow: 0 10px 30px rgba(76,175,80,0.3);
}

.save-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(76,175,80,0.4);
}

.save-btn:active {
    transform: translateY(0);
}

/* НИЖНЯЯ ПАНЕЛЬ */
.bottom-panel {
    background: rgba(0,0,0,0.98);
    backdrop-filter: blur(30px);
    border-top: 2px solid #444;
    padding: 15px 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.home-btn {
    background: rgba(76,175,80,0.3);
    color: #4CAF50;
    border: 2px solid #4CAF50;
    padding: 12px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.2s;
}

.home-btn:hover {
    background: rgba(76,175,80,0.5);
    transform: scale(1.05);
}

.user-info {
    color: #ccc;
    font-size: 16px;
    background: rgba(255,255,255,0.1);
    padding: 8px 20px;
    border-radius: 20px;
}

/* Стили для чекбоксов частей речи */
.part-checkbox {
    width: 18px;
    height: 18px;
    margin-right: 12px;
    cursor: pointer;
    accent-color: #4CAF50;
}

.dropdown-item:hover {
    background: rgba(76, 175, 80, 0.1);
}

.dropdown-item span {
    flex: 1;
}

/* Полноэкранный список глаголов */
.verbs-menu {
    display: none; /* По умолчанию скрыто */
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    margin: 0 auto;
    padding: 30px 20px 20px;
    border-radius: 14;
    background: #1a1a1a;
    max-height: 100vh;
    max-width: 600px;
    width: 100;
}

.verbs-menu.show {
    display: flex;
    flex-direction: column;
}

.verbs-header {
    padding: 15px 20px;
    border-bottom: 2px solid #444;
    flex-shrink: 0;
    padding-bottom: 15px;
    border-bottom: 2px solid #444;
    margin-bottom: 15px;
}
.verbs-wrapper {
    flex: 1;
    display: flex;
    overflow: hidden;
    display: flex;
    gap: 8px;
}
.verbs-container {
    flex: 1;
    overflow-y: auto;
    padding: 0 15px;
}
/* Кнопка "Сохранить и закрыть" */
.save-verbs-btn {
    width: 100%;
    background: linear-gradient(45deg, #4CAF50, #45a049);
    border: none;
    padding: 18px;
    color: white;
    font-size: 20px;
    font-weight: 700;
    cursor: pointer;
    flex-shrink: 0;
    box-shadow: 0 -4px 15px rgba(76, 175, 80, 0.3);
    border-radius: 16px;
}

.save-verbs-btn:hover {
    background: linear-gradient(45deg, #43a047, #2e7d32);
}

/* АДАПТАЦИЯ */
@media (max-width: 480px) {
    .settings-content {
        padding: 20px 15px;
    }
    
    .settings-title {
        font-size: 28px;
    }
    
    .settings-selector {
        padding: 16px 20px;
        font-size: 18px;
    }
    
    .dropdown-item {
        font-size: 16px;
    }
    
    .save-btn {
        padding: 16px;
        font-size: 20px;
    }
}